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https://issues.apache.org/jira/browse/IMPALA-12040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe McDonnell updated IMPALA-12040:
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Summary: LSAN isn't detecting some types of leaks for backend tests (was:
LSAN isn't detecting leaks for backend tests)
> LSAN isn't detecting some types of leaks for backend tests
> ----------------------------------------------------------
>
> Key: IMPALA-12040
> URL: https://issues.apache.org/jira/browse/IMPALA-12040
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 4.3.0
> Reporter: Joe McDonnell
> Priority: Major
>
> I have a backend test that I know leaks memory. It isn't checked in anywhere,
> but I know from visual inspection that it does leak memory. However, when I
> compile with ASAN and run the test via ctest, LSAN doesn't detect the leak.
> Turning on verbose mode, I get this:
> {noformat}
> 54: Test command: /home/joemcdonnell/upstream/Impala/bin/run-jvm-binary.sh
> "/home/joemcdonnell/upstream/Impala/be/build/debug//runtime/memory-leak-test"
> "-log_dir=/home/joemcdonnell/upstream/Impala/logs/be_tests"
> 54: Environment variables:
> 54:
> LSAN_OPTIONS=suppressions=/home/joemcdonnell/upstream/Impala/bin/lsan-suppressions.txt
> 54: Test timeout computed to be: 10000000
> ...
> 54: [==========] Running 1 test from 1 test case.
> 54: [----------] Global test environment set-up.
> 54: [----------] 1 test from MemoryLeakTest
> 54: [ RUN ] MemoryLeakTest.LeakMemory
> 54: [ OK ] MemoryLeakTest.LeakMemory (0 ms)
> 54: [----------] 1 test from MemoryLeakTest (0 ms total)
> 54:
> 54: [----------] Global test environment tear-down
> 54: [==========] 1 test from 1 test case ran. (0 ms total)
> 54: [ PASSED ] 1 test.
> 1/1 Test #54: memory-leak-test ................. Passed 0.60 sec
> The following tests passed:
> memory-leak-test
> 100% tests passed, 0 tests failed out of 1
> {noformat}
> LSAN can detect some memory leaks, but this particular memory leak only gets
> detected if I also add ASAN_OPTIONS="detect_leaks=1". It looks like we
> intended that to be added, because we have it listed here in
> be/CMakeLists.txt:
> {noformat}
> FUNCTION(ENABLE_LSAN_FOR_TEST TEST_NAME)
> SET_TESTS_PROPERTIES(${TEST_NAME} PROPERTIES ENVIRONMENT
> "ASAN_OPTIONS=handle_segv=0 detect_leaks=1
> allocator_may_return_null=1")
> SET_TESTS_PROPERTIES(${TEST_NAME} PROPERTIES ENVIRONMENT
>
> "LSAN_OPTIONS=suppressions=${CMAKE_SOURCE_DIR}/bin/lsan-suppressions.txt")
> ENDFUNCTION(){noformat}
> The second invocation overwrites the first rather than appending, so we only
> get LSAN_OPTIONS.
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